Could not pass event BlockBreakEvent to ImmortalCustom v2.11
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:427) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:481) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:466) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
	at net.minecraft.server.v1_7_R1.PlayerInteractManager.breakBlock(PlayerInteractManager.java:263) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
	at net.minecraft.server.v1_7_R1.PlayerInteractManager.dig(PlayerInteractManager.java:164) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
	at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:535) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
	at net.minecraft.server.v1_7_R1.PacketPlayInBlockDig.a(SourceFile:53) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
	at net.minecraft.server.v1_7_R1.PacketPlayInBlockDig.handle(SourceFile:8) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
	at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:146) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
	at net.minecraft.server.v1_7_R1.ServerConnection.c(SourceFile:134) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
	at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:655) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
	at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:250) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
	at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
	at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:457) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
	at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
Caused by: java.lang.NullPointerException
	at net.minecraft.server.v1_7_R1.EnchantmentDurability.canEnchant(SourceFile:33) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
	at org.bukkit.craftbukkit.v1_7_R1.enchantments.CraftEnchantment.canEnchantItem(CraftEnchantment.java:57) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
	at org.bukkit.enchantments.EnchantmentWrapper.canEnchantItem(EnchantmentWrapper.java:39) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
	at me.au2001.ImmortalCustom.ImmortalCustom.onBlockBreak(ImmortalCustom.java:489) ~[?:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_55]
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_55]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_55]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_55]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
	... 15 more